Pound per Cubic inch (lb/in3) expresses mass in pound per unit volume in cubic inch, found by dividing a mass value by a volume value.
Pound per Cubic inch to Stone per Cubic inch
Convert pound per cubic inch (lb/in3) to stone per cubic inch (st/in3) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic inch (lb/in3) to stone per cubic inch (st/in3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cubic inch (st/in3) expresses mass in stone per unit volume in cubic inch, found by dividing a mass value by a volume value.
st/in3 = lb/in3 × 0.071429
Results update instantly for Pound per Cubic inch to Stone per Cubic inch conversions.
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Formula
st/in3 = lb/in3 × 0.071429
lb/in3 = st/in3 × 14
Conversion table
| 1 lb/in3 | 0.071429 st/in3 |
| 5 lb/in3 | 0.357143 st/in3 |
| 10 lb/in3 | 0.714286 st/in3 |
| 20 lb/in3 | 1.428571 st/in3 |
| 50 lb/in3 | 3.571429 st/in3 |
| 100 lb/in3 | 7.142857 st/in3 |
| 500 lb/in3 | 35.714286 st/in3 |
| 1000 lb/in3 | 71.428571 st/in3 |
Related conversions
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How the formula works
Both pound per cubic inch and stone per cubic inch measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per cubic inch by 0.071429 to get stone per cubic inch. To reverse the conversion, multiply a stone per cubic inch value by 14 to get back to pound per cubic inch.
Frequently asked questions
What is Pound per Cubic inch (lb/in3)?
Pound per Cubic inch (lb/in3) expresses mass in pound per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Stone per Cubic inch (st/in3)?
Stone per Cubic inch (st/in3) expresses mass in stone per unit volume in cubic inch, found by dividing a mass value by a volume value.
How do I convert pound per cubic inch to stone per cubic inch?
Multiply the pound per cubic inch value by 0.071429 to get the equivalent in stone per cubic inch. For example, 5 lb/in3 × 0.071429 = 0.357143 st/in3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.071429 is an exact, non-rounded value.
Can I convert stone per cubic inch back to pound per cubic inch?
Yes. Divide the stone per cubic inch value by 0.071429, or multiply it by 14, to get pound per cubic inch.
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About converting pound per cubic inch to stone per cubic inch
Pound per Cubic inch (lb/in3) expresses mass in pound per unit volume in cubic inch, found by dividing a mass value by a volume value. Stone per Cubic inch (st/in3) expresses mass in stone per unit volume in cubic inch, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic inch and stone per cubic inch accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.